Nina Dobrev was 15 in Repo! The Genetic Opera when she played the character 'Teenage Zytrate Addict'.
That was over 18 years ago in 2006.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 35, and has starred in 31 movies in total, 26 of those since Repo! The Genetic Opera was released.
In Repo! The Genetic Opera, I think Nina Dobrev looks: